<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>

            <el-table-column prop="sn" label="部门编号" width="130" sortable>
            </el-table-column>

            <el-table-column prop="name" label="部门名称" width="130" sortable>
			</el-table-column>

			<el-table-column prop="state" label="状态" width="100" sortable>
                <template scope="scope">
                    <span style="color: green" v-if="scope.row.state===0">正常</span>
                    <span style="color: red" v-else-if="scope.row.state===-1">禁用</span>
                    <span style="color: gray" v-else>未知</span>
                </template>
			</el-table-column>

			<el-table-column prop="manager.username" label="管理员" width="150" sortable>
			</el-table-column>

            <el-table-column prop="parent.name" label="上级部门" width="150" sortable>
            </el-table-column>

			<el-table-column label="操作">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next"
                           @current-change="handleCurrentChange"
                           :page-size="pageSize"
                           :total="total"
                           :current-page="currentPage"
                           style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增或者编辑界面-->
		<el-dialog :title="title" :visible.sync="departmentFormVisible" :close-on-click-modal="false">
			<el-form :model="departmentForm" label-width="80px" :rules="departmentFormRules" ref="departmentForm">

                <el-form-item label="姓名" prop="name">
					<el-input v-model="departmentForm.name" auto-complete="off"></el-input>
				</el-form-item>

                <el-form-item label="编号">
                    <el-input v-model="departmentForm.sn" auto-complete="off"></el-input>
                </el-form-item>

                <el-form-item label="状态">
                    <el-radio-group v-model="departmentForm.state">
                        <el-radio class="radio" :label="-1">禁用</el-radio>
                        <el-radio class="radio" :label="0">启用</el-radio>
                    </el-radio-group>
                </el-form-item>

                <el-form-item label="管理员">
                    <el-select v-model="departmentForm.manager" value-key="id" placeholder="请选择">
                        <!--
						  clearable  可清除
						  :key 当前选项的唯一表示  id
						  :label 选中后展示到下拉列表中的值
						  :value 选中后传递给后端的值  默认不能传对象
						        如果value要传递一个对象，那么必须要添加：value-key属性
                        -->
                        <el-option
                                v-for="item in Employee"
                                :key="item.id"
                                :label="item.username"
                                :value="item">
                            <span style="float: left">{{ item.username }}</span>
                            <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
                        </el-option>
                    </el-select>
                </el-form-item>

                <el-form-item label="上级部门">
					<el-cascader v-model="departmentForm.parent"
							:options="deptTree"
							:props="{
							    checkStrictly: true,
							    label:'name',
							    value:'id'
							}"
							clearable></el-cascader>
                    <!--<el-input v-model="departmentForm.parent" auto-complete="off"></el-input>-->
                </el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="departmentFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="departmentSubmit" :loading="departmentLoading">提交</el-button>
			</div>
		</el-dialog>


	</section>
</template>

<script>


	export default {
		data() {
			return {

                deptTree: [],
			    title: "",
				filters: {
                    keyword: ''
				},
				departments: [],
				total: 20,
                currentPage: 1,
                pageSize:5,
				listLoading: false,
				sels: [],//列表选中列
                Employee: [],
				departmentFormVisible: false,//编辑界面是否显示
				departmentLoading: false,
				departmentFormRules: {
					name: [
						{ required: true, message: '请输入姓名', trigger: 'blur' }
					]
				},
				//编辑界面数据
				departmentForm: {
					id: null,
					name: '',
					sn: '',
					state: 0,
					manager: null,
					parent: null
				},
			}
		},
		methods: {
		    /*高级查询：
		    必须重新定位到第一页，如果在第二页查询，而查询到的数据只有一页，那么就会卡在第二页
		    */
		    search(){
		        this.currentPage=1;
                this.getDepartments();
            },

			handleCurrentChange(val) {
				this.currentPage = val;
				this.getDepartments();
			},
			//获取部门列表
			getDepartments() {
				let para = {
				    total: this.total,
                    currentPage: this.currentPage,
					keyword: this.filters.keyword
				};
				this.listLoading = true;//开启忙加载
				//NProgress.start();

				//发送Ajax请求
                this.$http.post("/dept/list",para)
                    .then(result=>{
                        this.listLoading = false;//关闭忙加载
                        result=result.data;
                        this.departments=result.rows;
                        this.total=result.totals;
                    }).catch(result=>{
                    this.listLoading = false;//关闭忙加载
                        this.$message({
                            message: "服务器繁忙",
                            type: 'error'
                        });
                    })
			},

            //获取员工列表
            getEmployee(){
                this.$http.get("/employee")
                    .then(result=>{
                        result=result.data;
                        this.Employee=result;
                    })
            },

			//删除
			handleDel: function (index, row) {
                console.log(index);
                console.log(row);
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();

					this.$http.delete("/dept/"+row.id)
							  .then(result=>{

                                  this.listLoading = false;//关闭忙加载

							      result=result.data;  //AjaxResult
							      //判断后端是否操作成功
								  if(result.success){
                                      this.$message({
                                          message: '操作成功',
                                          type: 'success'
                                      });
								  }else {
                                      this.$message({
                                          message: result.message,
                                          type: 'error'
                                      });
								  }
								  //跳转到第一页（防止删除的是当前页最后一条），刷新页面
								  this.currentPage=1;
                                  this.getDepartments();
							  })
							  .catch(result=>{
                                  this.listLoading = false;//关闭忙加载
							      //刷新页面（防止上面then内部代码出错，重复操作），跳转到第一页
                                  this.currentPage=1;
                                  this.getDepartments();
							  })


				}).catch(() => {

				});
			},

			//显示编辑界面
			handleEdit: function (index, row) {
                this.getDeptTree();
			    this.title = "编辑";
				this.departmentFormVisible = true;
				//复制一份row的数据，否则直接用row会导致列表的数据改变
                this.departmentForm = Object.assign({}, row);
				let path = row.dirPath;  // /2/11/62
                let afterSplitPath = path.split("/"); //[,'2','11','62']
                let arr = [];
                for(let i=1;i<afterSplitPath.length-1;i++){
                    arr.push(parseInt(afterSplitPath[i]));
                }

                this.departmentForm.parent=arr;




			},
			//显示新增界面
			handleAdd: function () {
		        this.getDeptTree();
                this.title = "新增";
				this.departmentFormVisible = true;
				this.departmentForm = {
				    id:null,
					name: '',
                    sn: '',
                    state: 0,
                    manager: null,
                    parent: null
				};
			},

			//新增或编辑
			departmentSubmit: function () {
			    //开启表单校验
				this.$refs.departmentForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '温馨提示', {}).then(() => {
                            //开启按钮的忙加载
							this.departmentLoading = true;
							//NProgress.start();

							let para = Object.assign({}, this.departmentForm);

							let oldParent = para.parent;

							if(oldParent){
                                para.parent={"id":oldParent[oldParent.length-1]};
                            };
							//发送请求
                            this.$http.put("/dept",para)
                                .then(result=>{
                                    this.departmentLoading = false;//关闭忙加载

                                    result=result.data;  //AjaxResult
                                    //判断后端是否操作成功
                                    if(result.success){
                                        this.$message({
                                            message: '操作成功',
                                            type: 'success'
                                        });
                                    }else {
                                        this.$message({
                                            message: result.message,
                                            type: 'error'
                                        });
                                    }
                                    //跳转到第一页（防止删除的是当前页最后一条），刷新页面
                                    this.currentPage=1;
                                    this.getDepartments();
                                    //关闭模态框
                                    this.departmentFormVisible = false;
                                })
                                .catch(result=>{
                                    this.listLoading = false;//关闭忙加载
                                    //刷新页面（防止上面then内部代码出错，重复操作），跳转到第一页
                                    this.currentPage=1;
                                    this.getDepartments();
                                });



							/*departmentDepartment(para).then((res) => {
								this.departmentLoading = false;
								//NProgress.done();
								this.$message({
									message: '提交成功',
									type: 'success'
								});
								this.$refs['departmentForm'].resetFields();
								this.departmentFormVisible = false;
								this.getDepartments();
							});*/
						});
					}
				});
			},


            getDeptTree(){
		        this.$http.get("/dept/tree")
                    .then(result=>{
                        result = result.data;
                        this.deptTree = result;
                    })
            },

			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
			    //获取勾选的id们
				var ids = this.sels.map(item => item.id);

				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => { //选择确定
                    this.listLoading = true;
                    //NProgress.start();

                    /*let para = { ids: ids };*/

                    this.$http.patch("/dept",ids)
                        .then(result=>{
                            this.listLoading = false;//关闭忙加载

                            result=result.data;  //AjaxResult
                            //判断后端是否操作成功
                            if(result.success){
                                this.$message({
                                    message: '操作成功',
                                    type: 'success'
                                });
                            }else {
                                this.$message({
                                    message: result.message,
                                    type: 'error'
                                });
                            }
                            //跳转到第一页（防止删除的是当前页最后一条），刷新页面
                            this.currentPage=1;
                            this.getDepartments();
                        })
                        .catch(result=>{
                            this.listLoading = false;//关闭忙加载
                            //刷新页面（防止上面then内部代码出错，重复操作），跳转到第一页
                            this.currentPage=1;
                            this.getDepartments();
                        })
				}).catch(() => {

				});
			}
		},
		mounted() {
			this.getDepartments();
			this.getEmployee();
		}
	}

</script>

<style scoped>

</style>